WARRINGTON, ALBERT RUSSELL VAN CORTLANDT <br/><br/>
PROTECTIVE RELAYS: THEIR THEORY AND PRACTICE 

 - 2ND ED. 
 - LONDON Reino Unido  CHAPMAN & HALL  1968 
 - 484 
<br/><br/><label>ISBN: </label>412090600 
<br/><br/><label>LCCN: </label>22097 
<br/><br/><label>Dewey Class. No.: </label>621.317